52105122220 has 24 divisors (see below), whose sum is σ = 109425406608. Its totient is φ = 20841163200.

The previous prime is 52105122151. The next prime is 52105122227. The reversal of 52105122220 is 2222150125.

It is a super-2 number, since 2×52105122220² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52105122191 and 52105122200.

It is not an unprimeable number, because it can be changed into a prime (52105122227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640230 + ... + 717010.

It is an arithmetic number, because the mean of its divisors is an integer number (4559391942).

Almost surely, 2^52105122220 is an apocalyptic number.

It is an amenable number.

52105122220 is an abundant number, since it is smaller than the sum of its proper divisors (57320284388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52105122220 is a wasteful number, since it uses less digits than its factorization.

52105122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110721 (or 110719 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 52105122220 its reverse (2222150125), we get a palindrome (54327272345).

The spelling of 52105122220 in words is "fifty-two billion, one hundred five million, one hundred twenty-two thousand, two hundred twenty".